A metal container has external dimensions of 30 cm in length, 25 cm in width, and 20 cm in height. The thickness of the metal is 2 cm. Calculate the vol...
If the radius of a right circular cylinder open at both ends, is decreased by 25% and the height of the cylinder is increased by 20%, then the percentag...
What is the difference between the area of a circular field of radius 28 meters and area of a rectangular piece of land having its dimensions as 50 mete...
The length, breadth and height of a room are 8m, 10m and 12m respectively. Find the cost of white washing the room at the rate of Rs 15 per m²?
The lengths of a pair of parallel sides of a trapezium are respectively 22 cm and 18 cm, and the perpendicular distance between these two sides is 15 cm...
The base of a triangle is 18 cm and height is 14 cm. The height of another triangle of double the area having the base 21 cm is:
The ratio between the length and the breadth of a rectangular park is 3 : 2. If a man cycling along the boundary of the park at the speed of 12 km/hour...
The area of two similar triangles is 400 cm² and 324 cm², respectively. What is the ratio of their corresponding altitudes?
A solid hemisphere of radius 6 cm is melted and recast into small solid right circular cones each of radius 3 cm and height 8 cm. How many cones are for...
The sum of the areas of a rectangle and a square is 161 cm². The breadth of the rectangle is 1 cm more than each side of the square. If the length of t...
